Buggy code:
public class RobotControllerImpl extends ControllerShared implements GenericController , RobotController { public RobotControllerImpl ( GameWorld gw , InternalRobot r ) { } public void assertHaveFlux ( double amount ) throws GameActionException { } public Direction getDirection ( ) { } public double getEnergon ( ) { } public double getTeamResources ( ) { } public double getMaxEnergon ( ) { } public double getFlux ( ) { } public MapLocation getLocation ( ) { } public Message getNextMessage ( ) { } public Message [ ] getAllMessages ( ) { } public Team getTeam ( ) { } public int getBytecodeLimit ( ) { } public RobotType getType ( ) { } public void yield ( ) { } public void transferFlux ( MapLocation loc , RobotLevel height , double amount ) throws GameActionException { } public void spawn ( RobotType type ) throws GameActionException { } public void regenerate ( ) throws GameActionException { if ( ( robot . type ) != ( RobotType . SCOUT ) ) throw new IllegalStateException ( "Only<seq2seq4repair_space>scouts<seq2seq4repair_space>can<seq2seq4repair_space>regenerate." ) ; assertHaveFlux ( REGEN_COST ) ; robot . adjustFlux ( ( - ( GameConstants . REGEN_COST ) ) ) ; <START_BUG> for ( InternalRobot ir : gameWorld . getAllRobotsWithinRadiusDonutSq ( getLocation ( ) , attackRadiusMaxSquared , attackRadiusMinSquared ) ) { <END_BUG> if ( ( ir . getTeam ( ) ) == ( robot . getTeam ( ) ) ) ir . setRegen ( ) ; } gameWorld . addSignal ( new RegenSignal ( robot ) ) ; } public void resign ( ) { } public void suicide ( ) { } public void breakpoint ( ) { } public void assertCanSense ( MapLocation loc ) throws GameActionException { } public void assertCanSense ( InternalObject obj ) throws GameActionException { } public boolean checkCanSense ( MapLocation loc ) { } public boolean checkCanSense ( InternalObject obj ) { } public GameObject senseObjectAtLocation ( MapLocation loc , RobotLevel height ) throws GameActionException { } @ SuppressWarnings ( "unchecked" ) public < T extends GameObject > T [ ] senseNearbyGameObjects ( final Class < T > type ) { } public RobotInfo senseRobotInfo ( Robot r ) throws GameActionException { } public MapLocation senseLocationOf ( GameObject o ) throws GameActionException { } public boolean canSenseObject ( GameObject o ) { } public boolean canSenseSquare ( MapLocation loc ) { } public MapLocation [ ] senseAlliedArchons ( ) { } public PowerNode [ ] senseAlliedPowerNodes ( ) { } public MapLocation [ ] senseCapturablePowerNodes ( ) { } public boolean senseConnected ( PowerNode p ) { } public boolean senseOwned ( PowerNode p ) { } public boolean senseOpponentConnected ( PowerNode p ) throws GameActionException { } public PowerNode sensePowerCore ( ) { } public TerrainTile senseTerrainTile ( MapLocation loc ) { } public int roundsUntilMovementIdle ( ) { } public boolean isMovementActive ( ) { } public void assertNotMoving ( ) throws GameActionException { } public void moveForward ( ) throws GameActionException { } public void moveBackward ( ) throws GameActionException { } private void move ( Direction d ) throws GameActionException { } public void setDirection ( Direction d ) throws GameActionException { } public boolean canMove ( Direction d ) { } public void assertCanMove ( Direction d ) throws GameActionException { } protected void assertValidDirection ( Direction d ) { } public int roundsUntilAttackIdle ( ) { } public boolean isAttackActive ( ) { } protected void assertNotAttacking ( ) throws GameActionException { } protected void assertCanAttack ( MapLocation loc , RobotLevel height ) throws GameActionException { } public boolean canAttackSquare ( MapLocation loc ) { } public void attackSquare ( MapLocation loc , RobotLevel height ) throws GameActionException { } public boolean hasBroadcasted ( ) { } public void broadcast ( Message m ) throws GameActionException { } public void setIndicatorString ( int stringIndex , String newString ) { } public void setIndicatorStringFormat ( int stringIndex , String format , Object ... args ) { } public long getControlBits ( ) { } public void addMatchObservation ( String observation ) { } public void setTeamMemory ( int index , long value ) { } public void setTeamMemory ( int index , long value , long mask ) { } public long [ ] getTeamMemory ( ) { } public int hashCode ( ) { } }

Fix:
for ( InternalRobot ir : gameWorld . getAllRobotsWithinRadiusDonutSq ( getLocation ( ) , attackRadiusMaxSquared , ( ( SCOUT . attackRadiusMinSquared ) - 1 ) ) ) {